import java.util.Scanner;
public class Book37_5{
	public static void main(String[] args){
		Scanner input = new Scanner(System.in);
		System.out.printf("请输入汇率：");
		double a,s;
		a = input.nextDouble();
		s = 10000/a;
		System.out.println("一万人民币可兑换 " + s + "美元");
	}
}